1 cover the entire surface with a self adhesive flashing membrane such as grace ice water shield there are many equivalent products.
Low slope roof gutter detail.
These panels generally come with a painted mill finish or a clear acrylic finish.
Insulation itools quick and easy online tools and calculators that can help you determine your insulation needs as well as how much you could save.
Available in 12 16 and 18 widths tite loc and tite loc plus panels can be produced in 22 and 24 gauge steel or 032 and 040 aluminum.
Then apply standard asphalt shingles over the membrane.
In our photo left the roof slopes less than 1 per foot notice that dark ponding area at the center of the photo.
The membrane will outlast the shingles and seal around all nail penetrations.
Actually most flat roofs are not dead flat and in good design also include slope towards their drains.
For a low slope residential roof there are two main options.
Low slope metal roofs require less material which reduces the overall load on the building s structure.
The panels have been designed for application over a wide variety of substrates on roof slopes as low as 1 2 12 pitch.
Flat roofs 0 to 2 in slope are flatter than low sloped roofs and pitch just enough to drain water.
Low slope roofs are not totally flat their roof slope generally ranges from 1 4 12 to 3 12.
Ceilings product comparison tool.
Typically large footprint single story warehouses and pre engineered metal buildings will utilize low slope metal roof systems.